diff --git a/.gitignore b/.gitignore
index 1377554..45c80e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.swp
+.idea/*
diff --git a/TP3/ex1 b/TP3/ex1
new file mode 100755
index 0000000..103f24f
Binary files /dev/null and b/TP3/ex1 differ
diff --git a/TP3/ex1.c b/TP3/ex1.c
new file mode 100644
index 0000000..42eb9a7
--- /dev/null
+++ b/TP3/ex1.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define MAX_MSG_LEN 256
+#define MAX_PROC 10
+
+int	my_strlen(char *str)
+{
+	int	len;
+
+	len = 0;
+	while (str[len] != '\0')
+		len++;
+	return (len);
+}
+
+int	main(void)
+{
+	const int	N = MAX_PROC;
+	int		fd[MAX_PROC][2];
+	pid_t		pid[MAX_PROC];
+	char		buf[MAX_MSG_LEN];
+	int		dest;
+	char		msg[MAX_MSG_LEN];
+	int		i;
+
+	i = 0;
+	while(i < N)
+    	{
+		if(pipe(fd[i]) == -1)
+		{
+			perror("foirage du pipage");
+			exit(EXIT_FAILURE);
+		}
+		pid[i] = fork();
+		if (pid[i] == -1)
+		{
+			perror("foirage du forkage");
+			exit(EXIT_FAILURE);
+		}
+        	if(pid[i] == 0)
+		{
+			close(fd[i][1]);
+			while(read(fd[i][0], buf, MAX_MSG_LEN) > 0)
+			{
+				printf("Processus %d a reçu: %s\n", i, buf);
+			}
+			close(fd[i][0]);
+			exit(EXIT_SUCCESS);
+		}
+		i++;
+	}
+	i = 0;
+	while(i < N)
+	{
+		close(fd[i][0]);
+		i++;
+	}
+	while(scanf("%d %[^\n]", &dest, msg) != EOF)
+	{
+		if(dest >= 0 && dest < N)
+		{
+			write(fd[dest][1], msg, my_strlen(msg) + 1);
+		}
+	}
+	i = 0;
+	while(i < N)
+	{
+		close(fd[i][1]);
+		i++;
+	}
+	return 0;
+}